RE;Timing

[80wag.Darryl]

Hey guys,whats the timing supposed to be set at on a 79 360?Mine appears to be at 10 btc.It is in the centre of that hole on the timing marks.Is this correct.Those timing marks are for the birds on these things.Thanks guys.......

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SOA,32x11.50's,3" body lift,Pretty Darn Quick.
"Lead Follow,Or Get The F#%& Out Of The Way" !

[joe]

Factory spec for a 79/360 is 8* with an acceptable spread from 6*-10* but keep in mind that's for a "new, bone stock" motor. I generally just advance the timing till she pings under load and then back the timing off a bit.

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Regards,
-joe
63 2-dr Wag, 73 J-4000, 82 CJ-8

[nograin]

That tube is for a special magnetic pick-up or gizzmo timing device the dealers could buy. Zero is little below it, and on my 85 there is an A which I think is a referenc to the emmissions tag, but in any case the numbers are Before Top Center, not after.

-joe, whats the rpm for the 8 degree spec you gave?

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360 727auto-trany, NP229
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carries wood inside
no "wood" outside
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[joe]

<BLOCKQUOTE>quote:</font><HR>Originally posted by nograin:
-joe, whats the rpm for the 8 degree spec you gave?

<HR></BLOCKQUOTE>

For a 79/360 it's 800 rpm for the manual tranny and 600 rpm for the AT.
+/- 100 rpm for either is acceptable except for the J-20 w/manual which specs at 750-950 rpm.

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Regards,
-joe
63 2-dr Wag, 72 J-4000, 73 J-4000, 82 CJ-8